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1.发明申请High Strength Corrosion Resistant High Velocity Oxy Fuel (HVOF) Coating for Downhole Tools 审中-公开用于井下工具的高强度耐腐蚀高速氧燃料（HVOF）涂层公开(公告)号：US20150322719A1
公开(公告)日：2015-11-12
申请号：US14410475
申请日：2012-06-28
CPC分类号： E21B4/003 , B22F3/115 , B22F7/04 , B22F2005/001 , C22C29/08 , C23C4/06 , C23C4/12 , C23C30/00 , E21B4/00 , E21B4/02 , E21B17/00 , Y10T428/12972 , Y10T428/256
摘要： A downhole tool comprises a body made of a metal or metal alloy. In addition, the downhole tool comprises a coating disposed on the body. The coating includes at least 75 vol % tungsten carbide having an average grain size less than 1.0 μm. The content of tungsten carbide in the coating with a grain size less than 0.5 μm is between 40 and 64 vol % of the coating.
摘要翻译： 井下工具包括由金属或金属合金制成的主体。 此外，井下工具包括设置在主体上的涂层。 该涂层包括平均粒径小于1.0μm的至少75体积％的碳化钨。 粒径小于0.5μm的涂层中的碳化钨含量在涂层的40至64体积％之间。
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公开(公告)号：US08997900B2
公开(公告)日：2015-04-07
申请号：US12968590
申请日：2010-12-15
申请人： Jiinjen Albert Sue , Harold Sreshta
发明人： Jiinjen Albert Sue , Harold Sreshta
IPC分类号： E21B10/36 , E21B10/567 , E21B10/573
CPC分类号： E21B10/56 , B24D3/06 , B24D18/0009 , E21B10/567 , E21B10/573
摘要： A polycrystalline diamond compact formed in an in-situ boron-doped process. The in-situ boron-doped process includes consolidating a mixture of diamond crystals and boron-containing alloy via liquid diffusion of boron into diamond crystals at a pressure greater than 5 Gpa and at a temperature greater than the melting temperature of the boron-containing alloy, typically less than about 1450° C.
摘要翻译： 在原位硼掺杂工艺中形成的多晶金刚石压块。 原位硼掺杂工艺包括通过硼的液体扩散将金刚石晶体和含硼合金的混合物以大于5Gpa的压力和大于含硼合金的熔融温度的温度固结在金刚石晶体中 通常小于约1450℃
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3.发明授权公开(公告)号：US10590704B2
公开(公告)日：2020-03-17
申请号：US14410475
申请日：2012-06-28
IPC分类号： C23C4/06 , E21B4/00 , C23C4/12 , E21B17/00 , C23C30/00 , C22C29/08 , B22F7/04 , E21B4/02 , B22F3/115 , B22F5/00
摘要： A downhole tool comprises a body made of a metal or metal alloy. In addition, the downhole tool comprises a coating disposed on the body. The coating includes at least 75 vol % tungsten carbide having an average grain size less than 1.0 μm. The content of tungsten carbide in the coating with a grain size less than 0.5 μm is between 40 and 64 vol % of the coating.
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公开(公告)号：US20130020136A1
公开(公告)日：2013-01-24
申请号：US13357244
申请日：2012-01-24
摘要： A hardmetal composition comprises tungsten carbide in an amount greater than 50 weight percent of the hardmetal composition. In addition, the hardmetal composition comprises a binder material consisting of at least 90 weight percent nickel, a binder flux between 3.5 to 10.0 weight percent chosen from the group consisting of boron and silicon, and less than 1.0 weight percent other components.
摘要翻译： 硬质合金组合物包含大于硬质合金组合物的50重量％的量的碳化钨。 此外，硬质合金组合物包括由至少90重量％的镍组成的粘合剂材料，选自硼和硅的3.5至10.0重量％的粘合剂通量和小于1.0重量％的其它组分。
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公开(公告)号：US20120152622A1
公开(公告)日：2012-06-21
申请号：US12968590
申请日：2010-12-15
申请人： Jiinjen Albert Sue , Harold Sreshta
发明人： Jiinjen Albert Sue , Harold Sreshta
CPC分类号： E21B10/56 , B24D3/06 , B24D18/0009 , E21B10/567 , E21B10/573
摘要： A polycrystalline diamond compact formed in an in-situ boron-doped process. The in-situ boron-doped process includes consolidating a mixture of diamond crystals and boron-containing alloy via liquid diffusion of boron into diamond crystals at a pressure greater than 5 Gpa and at a temperature greater than the melting temperature of the boron-containing alloy, typically less than about 1450° C.
摘要翻译： 在原位硼掺杂工艺中形成的多晶金刚石压块。 原位硼掺杂工艺包括通过硼的液体扩散将金刚石晶体和含硼合金的混合物以大于5Gpa的压力和大于含硼合金的熔融温度的温度固结在金刚石晶体中 通常小于约1450℃
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公开(公告)号：US08535408B2
公开(公告)日：2013-09-17
申请号：US13357244
申请日：2012-01-24
摘要： A hardmetal composition comprises tungsten carbide in an amount greater than 50 weight percent of the hardmetal composition. In addition, the hardmetal composition comprises a binder material consisting of at least 90 weight percent nickel, a binder flux between 3.5 to 10.0 weight percent chosen from the group consisting of boron and silicon, and less than 1.0 weight percent other components.
摘要翻译： 硬质合金组合物包含大于硬质合金组合物的50重量％的量的碳化钨。 此外，硬质合金组合物包括由至少90重量％的镍组成的粘合剂材料，选自硼和硅的3.5至10.0重量％的粘合剂通量和小于1.0重量％的其它组分。
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7.发明申请COMPOSITE STRUCTURE HAVING A NON-PLANAR INTERFACE AND METHOD OF MAKING SAME 审中-公开具有非平面界面的复合结构及其制造方法公开(公告)号：US20060237236A1
公开(公告)日：2006-10-26
申请号：US10908040
申请日：2005-04-26
申请人： Harold Sreshta , Eric Drake
发明人： Harold Sreshta , Eric Drake
IPC分类号： E21B10/36
CPC分类号： E21B10/5735 , B22F7/02 , B22F7/04 , B22F2998/10 , C22C1/1036 , B22F3/02 , B22F3/26
摘要： A composite structure includes a first portion comprising a first metallic material, a monolayer of particles extending into and bonded with the first portion, and a second portion comprising a second material, the second portion bonded with the monolayer of particles and extending into interstices between the particles. A method for fabricating a composite structure includes bonding a monolayer of particles to a first portion comprising a first metallic material, such that the monolayer of particles extends into the first portion and bonding a second portion comprising a second material to the monolayer of particles, such that the second portion extends into interstices between the particles.
摘要翻译： 复合结构包括第一部分，第一部分包括第一金属材料，延伸到第一部分中并与第一部分结合的颗粒的单层，以及包括第二材料的第二部分，第二部分与单层颗粒结合并延伸到第二部分之间的间隙 粒子。 一种制造复合结构的方法包括将单层颗粒结合到包括第一金属材料的第一部分，使得单层颗粒延伸到第一部分中并将包含第二材料的第二部分结合到单层颗粒，例如 第二部分延伸到颗粒之间的空隙中。
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8.发明授权Hard composite with deformable constituent and method of applying to earth-engaging tool 有权具有可变形构件的硬质复合材料和应用于接地工具的方法公开(公告)号：US08945720B2
公开(公告)日：2015-02-03
申请号：US12536624
申请日：2009-08-06
申请人： Harold Sreshta , Eric F Drake , Douglas B Caraway
发明人： Harold Sreshta , Eric F Drake , Douglas B Caraway
IPC分类号： B22F7/00 , E21B10/46 , C22C19/07 , B22F1/02 , B22F7/08 , C22C19/03 , C22C26/00 , C22C29/08 , B22F5/00
CPC分类号： E21B10/46 , B22F1/025 , B22F7/08 , B22F2005/001 , B22F2998/10 , B24D3/06 , B24D3/342 , C22C19/03 , C22C19/07 , C22C26/00 , C22C29/08 , C22C2204/00 , Y10T428/12042 , Y10T428/249953 , B22F3/04 , B22F3/17
摘要： A hardmetal composite used as wear-resistant surfaces and inlays in earth-engaging equipment includes more than one hardphase. At least one hardphase has a high average particle size, for example, from 100 μm to 2000 μm. The hardphases vary in terms of particle size, hardness, and binder content, and at least one hardphase includes a particulate constituent capable of plastic deformation that comprises at least 1% residual porosity.
摘要翻译： 用作地面接合设备中的耐磨表面和嵌体的硬质合金复合材料包括多于一个的硬质相。 至少一个硬相具有高的平均粒度，例如从100μm到2000μm。 硬化物在粒度，硬度和粘合剂含量方面有所不同，并且至少一个硬相包括能够塑性变形的颗粒组分，其包含至少1％的残留孔隙率。
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公开(公告)号：US20110171414A1
公开(公告)日：2011-07-14
申请号：US12951193
申请日：2010-11-22
申请人： Harold Sreshta , Alan Honggen Jiang
发明人： Harold Sreshta , Alan Honggen Jiang
CPC分类号： B22F7/06 , B22F3/26 , B22F2005/001 , C22C26/00 , C22C2026/001 , C22C2204/00 , E21B10/00 , E21B10/5673 , E21B10/573 , Y10T428/21 , Y10T428/239 , Y10T428/24355 , Y10T428/24777 , Y10T428/25 , Y10T428/256 , Y10T428/26
摘要： A superhard composite material comprising a polycrystalline diamond cutter (PDC) having a cutting surface and cutting edges having a polycrystalline diamond thickness of about 3 mm is integrally formed with a sacrificial catalyst source that is removed later in the processing of the of the cutter.
摘要翻译： 包括具有切割表面的多晶金刚石切割器（PDC）和具有大约3mm的多晶金刚石厚度的切割刃的超硬复合材料与牺牲催化剂源一体地形成，该牺牲催化剂源在切割器的加工中被移除。
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公开(公告)号：US20110167734A1
公开(公告)日：2011-07-14
申请号：US13005869
申请日：2011-01-13
申请人： Alan Honggen Jiang , Harold Sreshta
发明人： Alan Honggen Jiang , Harold Sreshta
CPC分类号： E21B10/00 , B22C9/02 , C22C26/00 , C22C2001/1073
摘要： A thermally conductive sand shell moulding system allows for controlling heat flow in a molten metal infiltrate powdered metal drill bit moulding system to differentially cool the mould system to control differential shrinking and accompanying stress concentrations.
摘要翻译： 导热砂壳模制系统允许控制熔融金属渗透粉末金属钻头成型系统中的热流，以差分地冷却模具系统以控制差异收缩和伴随的应力集中。
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